18849651

素因数分解:

$3^1\times {\mathrm{17}}^1\times {\mathrm{139}}^1\times {\mathrm{2659}}^1$

素因数の和:2818

約数の個数: 16

約数和(自身を含む): 26812800

約数和(自身を除く): 7963149

約数列:

[1, 3, 17, 51, 139, 417, 2363, 2659, 7089, 7977, 45203, 135609, 369601, 1108803, 6283217, 18849651]

約数ペア:

[(1, 18849651), (3, 6283217), (17, 1108803), (51, 369601), (139, 135609), (417, 45203), (2363, 7977), (2659, 7089)]